package io.datajek.springbasics.movierecommendersystem.lesson8;


import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;

@SpringBootApplication
public class MovieRecommenderSystemApplication {

    public static void main(String[] args){
        //applicationContext负责管理bean和依赖
        ApplicationContext appContext = SpringApplication.run(MovieRecommenderSystemApplication.class,args);

        //从application context中三次获得singleton bean
        CollaborativeFilter cf1 = appContext.getBean(CollaborativeFilter.class);
        CollaborativeFilter cf2 = appContext.getBean(CollaborativeFilter.class);
        CollaborativeFilter cf3 = appContext.getBean(CollaborativeFilter.class);

        System.out.println(cf1);
        System.out.println(cf2);
        System.out.println(cf3);
    }
}
